A man who has spent 23 years in an Ohio prison for his girlfriend's slaying but maintains his innocence could be released soon after the new county prosecutor in Cleveland asked a court to void his conviction.

The Food and Drug Administration has ordered Google-backed genetic test maker 23andMe to halt sales of its personalized DNA test kits, saying the company has failed to show that the technology is supported by science.

Britain is using genetic tests on some African asylum seekers in an effort to catch those who are lying about their nationality, drawing criticism from scientists and provoking outrage from rights groups.